Daler-Rowney Gum Arabic increases the brilliance, gloss, and transparency of watercolor paint, which gives greater depth to each color. Gum Arabic also slows the drying time of paint, and can be used for controlling spread when painting wet-on-wet.

Gum Arabic
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Daler-Rowney Gum Arabic increases the brilliance, gloss, and transparency of watercolor paint, which gives greater depth to each color. Gum Arabic also slows the drying time of paint, and can be used for controlling spread when painting wet-on-wet.